slugging


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slugging

[′sləg·iŋ]
(metallurgy)
Adding a separate piece of material to a weld joint, resulting in a joint which does not meet specifications.
References in periodicals archive ?
Slugging a barrel simply means pushing a lead "slug" into a barrel and then removing it in order to measure it with a micrometer or caliper so the barrel's interior dimensions are known.
And in regards to jacketed bullet shooting, I say if you are shooting them in a firearm of reasonably modern manufacture then don't waste your brain cells on the topic of barrel slugging.
The mechanics of slugging a barrel are simple: Drive a very soft lead slug into the barrel and then push it back out.